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4243860 = 2233529271
BaseRepresentation
bin10000001100000110010100
321222121111000
4100030012110
52041300420
6230543300
751033525
oct20140624
97877430
104243860
112439525
121507b30
13b5787a
147c684c
1558c690
hex40c194

4243860 has 96 divisors (see below), whose sum is σ = 13708800. Its totient is φ = 1088640.

The previous prime is 4243823. The next prime is 4243861. The reversal of 4243860 is 683424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15525 + ... + 15795.

It is an arithmetic number, because the mean of its divisors is an integer number (142800).

Almost surely, 24243860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6854400).

4243860 is an abundant number, since it is smaller than the sum of its proper divisors (9464940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243860 is a wasteful number, since it uses less digits than its factorization.

4243860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4243860 is about 2060.0631058295. The cubic root of 4243860 is about 161.9025476986.

The spelling of 4243860 in words is "four million, two hundred forty-three thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 29 30 36 45 54 58 60 87 90 108 116 135 145 174 180 261 270 271 290 348 435 522 540 542 580 783 813 870 1044 1084 1305 1355 1566 1626 1740 2439 2610 2710 3132 3252 3915 4065 4878 5220 5420 7317 7830 7859 8130 9756 12195 14634 15660 15718 16260 23577 24390 29268 31436 36585 39295 47154 48780 70731 73170 78590 94308 117885 141462 146340 157180 212193 235770 282924 353655 424386 471540 707310 848772 1060965 1414620 2121930 4243860